| # Copyright (C) 2014-2021 Free Software Foundation, Inc. | |
| # | |
| # Copying and distribution of this file, with or without modification, | |
| # are permitted in any medium without royalty provided the copyright | |
| # notice and this notice are preserved. | |
| # RODATA_PM_OFFSET | |
| # If empty, .rodata sections will be part of .data. This is for | |
| # devices where it is not possible to use LD* instructions to read | |
| # from flash. | |
| # | |
| # If non-empty, .rodata is not part of .data and the .rodata | |
| # objects are assigned addresses at an offest of RODATA_PM_OFFSET. | |
| # This is for devices that feature reading from flash by means of | |
| # LD* instructions, provided the addresses are offset by | |
| # __RODATA_PM_OFFSET__ (which defaults to RODATA_PM_OFFSET). | |
| cat <<EOF | |
| /* Copyright (C) 2014-2021 Free Software Foundation, Inc. | |
| Copying and distribution of this script, with or without modification, | |
| are permitted in any medium without royalty provided the copyright | |
| notice and this notice are preserved. */ | |
| OUTPUT_FORMAT("${OUTPUT_FORMAT}","${OUTPUT_FORMAT}","${OUTPUT_FORMAT}") | |
| OUTPUT_ARCH(${ARCH}) | |
| EOF | |
| test -n "${RELOCATING}" && cat <<EOF | |
| __TEXT_REGION_LENGTH__ = DEFINED(__TEXT_REGION_LENGTH__) ? __TEXT_REGION_LENGTH__ : $TEXT_LENGTH; | |
| __DATA_REGION_LENGTH__ = DEFINED(__DATA_REGION_LENGTH__) ? __DATA_REGION_LENGTH__ : $DATA_LENGTH; | |
| ${EEPROM_LENGTH+__EEPROM_REGION_LENGTH__ = DEFINED(__EEPROM_REGION_LENGTH__) ? __EEPROM_REGION_LENGTH__ : $EEPROM_LENGTH;} | |
| __FUSE_REGION_LENGTH__ = DEFINED(__FUSE_REGION_LENGTH__) ? __FUSE_REGION_LENGTH__ : $FUSE_LENGTH; | |
| __LOCK_REGION_LENGTH__ = DEFINED(__LOCK_REGION_LENGTH__) ? __LOCK_REGION_LENGTH__ : $LOCK_LENGTH; | |
| __SIGNATURE_REGION_LENGTH__ = DEFINED(__SIGNATURE_REGION_LENGTH__) ? __SIGNATURE_REGION_LENGTH__ : $SIGNATURE_LENGTH; | |
| ${USER_SIGNATURE_LENGTH+__USER_SIGNATURE_REGION_LENGTH__ = DEFINED(__USER_SIGNATURE_REGION_LENGTH__) ? __USER_SIGNATURE_REGION_LENGTH__ : $USER_SIGNATURE_LENGTH;} | |
| ${RODATA_PM_OFFSET+__RODATA_PM_OFFSET__ = DEFINED(__RODATA_PM_OFFSET__) ? __RODATA_PM_OFFSET__ : $RODATA_PM_OFFSET;} | |
| MEMORY | |
| { | |
| text (rx) : ORIGIN = 0, LENGTH = __TEXT_REGION_LENGTH__ | |
| data (rw!x) : ORIGIN = $DATA_ORIGIN, LENGTH = __DATA_REGION_LENGTH__ | |
| ${EEPROM_LENGTH+ eeprom (rw!x) : ORIGIN = 0x810000, LENGTH = __EEPROM_REGION_LENGTH__} | |
| $FUSE_NAME (rw!x) : ORIGIN = 0x820000, LENGTH = __FUSE_REGION_LENGTH__ | |
| lock (rw!x) : ORIGIN = 0x830000, LENGTH = __LOCK_REGION_LENGTH__ | |
| signature (rw!x) : ORIGIN = 0x840000, LENGTH = __SIGNATURE_REGION_LENGTH__ | |
| ${USER_SIGNATURE_LENGTH+ user_signatures (rw!x) : ORIGIN = 0x850000, LENGTH = __USER_SIGNATURE_REGION_LENGTH__} | |
| } | |
| EOF | |
| cat <<EOF | |
| SECTIONS | |
| { | |
| /* Read-only sections, merged into text segment: */ | |
| ${TEXT_DYNAMIC+${DYNAMIC}} | |
| .hash ${RELOCATING-0} : { *(.hash) } | |
| .dynsym ${RELOCATING-0} : { *(.dynsym) } | |
| .dynstr ${RELOCATING-0} : { *(.dynstr) } | |
| .gnu.version ${RELOCATING-0} : { *(.gnu.version) } | |
| .gnu.version_d ${RELOCATING-0} : { *(.gnu.version_d) } | |
| .gnu.version_r ${RELOCATING-0} : { *(.gnu.version_r) } | |
| .rel.init ${RELOCATING-0} : { *(.rel.init) } | |
| .rela.init ${RELOCATING-0} : { *(.rela.init) } | |
| .rel.text ${RELOCATING-0} : | |
| { | |
| *(.rel.text) | |
| ${RELOCATING+*(.rel.text.*)} | |
| ${RELOCATING+*(.rel.gnu.linkonce.t*)} | |
| } | |
| .rela.text ${RELOCATING-0} : | |
| { | |
| *(.rela.text) | |
| ${RELOCATING+*(.rela.text.*)} | |
| ${RELOCATING+*(.rela.gnu.linkonce.t*)} | |
| } | |
| .rel.fini ${RELOCATING-0} : { *(.rel.fini) } | |
| .rela.fini ${RELOCATING-0} : { *(.rela.fini) } | |
| .rel.rodata ${RELOCATING-0} : | |
| { | |
| *(.rel.rodata) | |
| ${RELOCATING+*(.rel.rodata.*)} | |
| ${RELOCATING+*(.rel.gnu.linkonce.r*)} | |
| } | |
| .rela.rodata ${RELOCATING-0} : | |
| { | |
| *(.rela.rodata) | |
| ${RELOCATING+*(.rela.rodata.*)} | |
| ${RELOCATING+*(.rela.gnu.linkonce.r*)} | |
| } | |
| .rel.data ${RELOCATING-0} : | |
| { | |
| *(.rel.data) | |
| ${RELOCATING+*(.rel.data.*)} | |
| ${RELOCATING+*(.rel.gnu.linkonce.d*)} | |
| } | |
| .rela.data ${RELOCATING-0} : | |
| { | |
| *(.rela.data) | |
| ${RELOCATING+*(.rela.data.*)} | |
| ${RELOCATING+*(.rela.gnu.linkonce.d*)} | |
| } | |
| .rel.ctors ${RELOCATING-0} : { *(.rel.ctors) } | |
| .rela.ctors ${RELOCATING-0} : { *(.rela.ctors) } | |
| .rel.dtors ${RELOCATING-0} : { *(.rel.dtors) } | |
| .rela.dtors ${RELOCATING-0} : { *(.rela.dtors) } | |
| .rel.got ${RELOCATING-0} : { *(.rel.got) } | |
| .rela.got ${RELOCATING-0} : { *(.rela.got) } | |
| .rel.bss ${RELOCATING-0} : { *(.rel.bss) } | |
| .rela.bss ${RELOCATING-0} : { *(.rela.bss) } | |
| .rel.plt ${RELOCATING-0} : { *(.rel.plt) } | |
| .rela.plt ${RELOCATING-0} : { *(.rela.plt) } | |
| /* Internal text space or external memory. */ | |
| .text ${RELOCATING-0} : | |
| { | |
| ${RELOCATING+*(.vectors) | |
| KEEP(*(.vectors)) | |
| /* For data that needs to reside in the lower 64k of progmem. */ | |
| *(.progmem.gcc*) | |
| /* PR 13812: Placing the trampolines here gives a better chance | |
| that they will be in range of the code that uses them. */ | |
| . = ALIGN(2); | |
| __trampolines_start = . ; | |
| /* The jump trampolines for the 16-bit limited relocs will reside here. */ | |
| *(.trampolines) | |
| *(.trampolines*) | |
| __trampolines_end = . ; | |
| /* avr-libc expects these data to reside in lower 64K. */ | |
| *libprintf_flt.a:*(.progmem.data) | |
| *libc.a:*(.progmem.data) | |
| *(.progmem.*) | |
| . = ALIGN(2); | |
| /* For code that needs to reside in the lower 128k progmem. */ | |
| *(.lowtext) | |
| *(.lowtext*)} | |
| ${CONSTRUCTING+ __ctors_start = . ; } | |
| ${CONSTRUCTING+ *(.ctors) } | |
| ${CONSTRUCTING+ __ctors_end = . ; } | |
| ${CONSTRUCTING+ __dtors_start = . ; } | |
| ${CONSTRUCTING+ *(.dtors) } | |
| ${CONSTRUCTING+ __dtors_end = . ; } | |
| ${RELOCATING+KEEP(SORT(*)(.ctors)) | |
| KEEP(SORT(*)(.dtors)) | |
| /* From this point on, we do not bother about whether the insns are | |
| below or above the 16 bits boundary. */ | |
| *(.init0) /* Start here after reset. */ | |
| KEEP (*(.init0)) | |
| *(.init1) | |
| KEEP (*(.init1)) | |
| *(.init2) /* Clear __zero_reg__, set up stack pointer. */ | |
| KEEP (*(.init2)) | |
| *(.init3) | |
| KEEP (*(.init3)) | |
| *(.init4) /* Initialize data and BSS. */ | |
| KEEP (*(.init4)) | |
| *(.init5) | |
| KEEP (*(.init5)) | |
| *(.init6) /* C++ constructors. */ | |
| KEEP (*(.init6)) | |
| *(.init7) | |
| KEEP (*(.init7)) | |
| *(.init8) | |
| KEEP (*(.init8)) | |
| *(.init9) /* Call main(). */ | |
| KEEP (*(.init9))} | |
| *(.text) | |
| ${RELOCATING+. = ALIGN(2); | |
| *(.text.*) | |
| . = ALIGN(2); | |
| *(.fini9) /* _exit() starts here. */ | |
| KEEP (*(.fini9)) | |
| *(.fini8) | |
| KEEP (*(.fini8)) | |
| *(.fini7) | |
| KEEP (*(.fini7)) | |
| *(.fini6) /* C++ destructors. */ | |
| KEEP (*(.fini6)) | |
| *(.fini5) | |
| KEEP (*(.fini5)) | |
| *(.fini4) | |
| KEEP (*(.fini4)) | |
| *(.fini3) | |
| KEEP (*(.fini3)) | |
| *(.fini2) | |
| KEEP (*(.fini2)) | |
| *(.fini1) | |
| KEEP (*(.fini1)) | |
| *(.fini0) /* Infinite loop after program termination. */ | |
| KEEP (*(.fini0)) | |
| /* For code that needs not to reside in the lower progmem. */ | |
| *(.hightext) | |
| *(.hightext*) | |
| *(.progmemx.*) | |
| . = ALIGN(2); | |
| /* For tablejump instruction arrays. We do not relax | |
| JMP / CALL instructions within these sections. */ | |
| *(.jumptables) | |
| *(.jumptables*) | |
| _etext = . ;} | |
| } ${RELOCATING+ > text} | |
| EOF | |
| # Devices like ATtiny816 allow to read from flash memory by means of LD* | |
| # instructions provided we add an offset of __RODATA_PM_OFFSET__ to the | |
| # flash addresses. | |
| if test -n "$RODATA_PM_OFFSET"; then | |
| cat <<EOF | |
| .rodata ${RELOCATING+ ADDR(.text) + SIZEOF (.text) + __RODATA_PM_OFFSET__ } ${RELOCATING-0} : | |
| { | |
| *(.rodata) | |
| ${RELOCATING+ *(.rodata*) | |
| *(.gnu.linkonce.r*)} | |
| } ${RELOCATING+AT> text} | |
| EOF | |
| fi | |
| cat <<EOF | |
| .data ${RELOCATING-0} : | |
| { | |
| ${RELOCATING+ PROVIDE (__data_start = .) ; } | |
| *(.data) | |
| ${RELOCATING+ *(.data*) | |
| *(.gnu.linkonce.d*)} | |
| EOF | |
| # Classical devices that don't show flash memory in the SRAM address space | |
| # need .rodata to be part of .data because the compiler will use LD* | |
| # instructions and LD* cannot access flash. | |
| if test -z "$RODATA_PM_OFFSET" && test -n "${RELOCATING}"; then | |
| cat <<EOF | |
| *(.rodata) /* We need to include .rodata here if gcc is used */ | |
| *(.rodata*) /* with -fdata-sections. */ | |
| *(.gnu.linkonce.r*) | |
| EOF | |
| fi | |
| cat <<EOF | |
| ${RELOCATING+. = ALIGN(2);} | |
| ${RELOCATING+ _edata = . ; } | |
| ${RELOCATING+ PROVIDE (__data_end = .) ; } | |
| } ${RELOCATING+ > data ${RELOCATING+AT> text}} | |
| .bss ${RELOCATING+ ADDR(.data) + SIZEOF (.data)} ${RELOCATING-0} :${RELOCATING+ AT (ADDR (.bss))} | |
| { | |
| ${RELOCATING+ PROVIDE (__bss_start = .) ; } | |
| *(.bss) | |
| ${RELOCATING+ *(.bss*)} | |
| ${RELOCATING+ *(COMMON)} | |
| ${RELOCATING+ PROVIDE (__bss_end = .) ; } | |
| } ${RELOCATING+ > data} | |
| ${RELOCATING+ __data_load_start = LOADADDR(.data); } | |
| ${RELOCATING+ __data_load_end = __data_load_start + SIZEOF(.data); } | |
| /* Global data not cleared after reset. */ | |
| .noinit ${RELOCATING+ ADDR(.bss) + SIZEOF (.bss)} ${RELOCATING-0}: ${RELOCATING+ AT (ADDR (.noinit))} | |
| { | |
| ${RELOCATING+ PROVIDE (__noinit_start = .) ; } | |
| *(.noinit${RELOCATING+ .noinit.* .gnu.linkonce.n.*}) | |
| ${RELOCATING+ PROVIDE (__noinit_end = .) ; } | |
| ${RELOCATING+ _end = . ; } | |
| ${RELOCATING+ PROVIDE (__heap_start = .) ; } | |
| } ${RELOCATING+ > data} | |
| EOF | |
| if test -n "${EEPROM_LENGTH}"; then | |
| cat <<EOF | |
| .eeprom ${RELOCATING-0}: | |
| { | |
| /* See .data above... */ | |
| KEEP(*(.eeprom*)) | |
| ${RELOCATING+ __eeprom_end = . ; } | |
| } ${RELOCATING+ > eeprom} | |
| EOF | |
| fi | |
| if test "$FUSE_NAME" = "fuse" ; then | |
| cat <<EOF | |
| .fuse ${RELOCATING-0}: | |
| { | |
| KEEP(*(.fuse)) | |
| ${RELOCATING+KEEP(*(.lfuse)) | |
| KEEP(*(.hfuse)) | |
| KEEP(*(.efuse))} | |
| } ${RELOCATING+ > fuse} | |
| EOF | |
| fi | |
| cat <<EOF | |
| .lock ${RELOCATING-0}: | |
| { | |
| KEEP(*(.lock*)) | |
| } ${RELOCATING+ > lock} | |
| .signature ${RELOCATING-0}: | |
| { | |
| KEEP(*(.signature*)) | |
| } ${RELOCATING+ > signature} | |
| EOF | |
| if test "$FUSE_NAME" = "config" ; then | |
| cat <<EOF | |
| .config ${RELOCATING-0}: | |
| { | |
| KEEP(*(.config*)) | |
| } ${RELOCATING+ > config} | |
| EOF | |
| fi | |
| cat <<EOF | |
| /* Stabs debugging sections. */ | |
| .stab 0 : { *(.stab) } | |
| .stabstr 0 : { *(.stabstr) } | |
| .stab.excl 0 : { *(.stab.excl) } | |
| .stab.exclstr 0 : { *(.stab.exclstr) } | |
| .stab.index 0 : { *(.stab.index) } | |
| .stab.indexstr 0 : { *(.stab.indexstr) } | |
| .comment 0 : { *(.comment) } | |
| .note.gnu.build-id ${RELOCATING-0} : { *(.note.gnu.build-id) } | |
| EOF | |
| . $srcdir/scripttempl/DWARF.sc | |
| cat <<EOF | |
| } | |
| EOF |